use GD::Graph::linespoints;
require 'save.pl';
 
print STDERR "Processing sample41\n";
 
@data = ( 
    ["1st","2nd","3rd","4th","5th","6th","7th", "8th", "9th"],
    [undef,  52,  53,  54,  55,  56,  undef,  58,  59],
    [60,  61,  61,  undef,  68,  66,  65,  61, undef],
    [70,  undef,  71,  undef,  78,  undef,  75,  71, undef],
);
 
$my_graph = new GD::Graph::linespoints( );
 
$my_graph->set( 
        x_label => 'X Label',
        y_label => 'Y label',
        title => 'A Lines and Points Graph',
        y_max_value => 80,
        y_tick_number => 6,
        y_label_skip => 2,
        y_long_ticks => 1,
        x_tick_length => 2,
        markers => [ 1, 5],
 
        skip_undef => 1,
 
        transparent => 0,
 
) or warn $my_graph->error;
 
$my_graph->set_legend( 'data set 1', 'data set 2', 'data set 3' );
$my_graph->plot(\@data);
save_chart($my_graph, 'sample41');
